[3] It is a marine, deep water-dwelling eel which is known from the Canary Islands, in the eastern central Atlantic Ocean.

It dwells at a depth range of 350 to 400 metres (1,150 to 1,310 ft), and leads a benthic lifestyle.

Males can reach a maximum total length of 62 centimetres (24 in).

[2] The species epithet, "dionisi" refers to Gustavo Perez-Dionis, and was given as a tribute for his contributions to the study of marine life in the Canary Islands.

[2] This Anguilliformes article is a stub.